The accommodation had moved up a notch: in addition to the old 'soft sleeper' and 'hard sleeper' categories, there was a new 'DE luxe soft sleeper' (two bunks with a private lavatory).

住宿方面也上了一个台阶：除了照旧的“软卧”和“硬卧”，又新增了一个“豪华软卧”(配有一个私人盥洗室和两个铺位)。

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What's the difference between a hard berth sleeper and a soft-berth one?

硬卧车厢同软卧车厢有什么区别？

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Driving the previous 300C SRT8 (with the big Hemi V8) hard felt like trying to move a sleeper sofa up a flight of stairs.

WSJ: Chrysler 300C Luxury Series Review: A Global Melange Yields Brash Elegance | Rumble Seat by Dan Neil